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Size and Distance Illusions

Size and Distance Illusions. Objectives: Be able to. Discuss the misapplied constancy, eye movement, and incorrect comparison explanations of the Ponzo illusion. Discuss the misapplied constancy, eye movement, and incorrect comparison explanations of the Mueller-Lyer illusion.

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Size and Distance Illusions

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  1. Size and Distance Illusions Size and Distance Illusions

  2. Objectives: Be able to • Discuss the misapplied constancy, eye movement, and incorrect comparison explanations of the Ponzo illusion. • Discuss the misapplied constancy, eye movement, and incorrect comparison explanations of the Mueller-Lyer illusion. • Discuss explanations of the moon illusion. Size and Distance Illusions

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  11. The Ponzo Illusion Size and Distance Illusions

  12. The Ponzo Illusion Are the upper and lower lines the same length? Size and Distance Illusions

  13. Retinal Size and Distanceb is twice as far away as a. Her retinal image is half the size of a’s Size and Distance Illusions

  14. Upper Log is Physically Shorter Size and Distance Illusions

  15. Upper and Lower Logs are the same Length Size and Distance Illusions

  16. The Mueller-Lyer Illusion Size and Distance Illusions

  17. Mueller-Lyer Concave and Convex Corners Size and Distance Illusions

  18. Mueller-Lyer 3D Version Size and Distance Illusions

  19. Mueller-Lyer Book Version Size and Distance Illusions

  20. Mueller-Lyer Dumbbell Version Size and Distance Illusions

  21. Mueller-Lyer Alternate VersionDistance between dots is the same in a and b. Size and Distance Illusions

  22. Discussion Question 37 • Discuss the Ponzo (railroad track) and the Mueller-Lyer (arrow) illusions using each of the following explanations: a) misapplied constancy, b) eye movement, and c) incorrect comparison. Size and Distance Illusions

  23. Artist’s Conception of The Moon Illusion: Simultaneous Viewing Size and Distance Illusions

  24. Flattened Heavens (Apparent Distance) Hypothesis Size and Distance Illusions

  25. Holway and Boring Test Setup Size and Distance Illusions

  26. Holway and Boring Experiment Setup Top View Size and Distance Illusions

  27. Holway and Boring Test Stimulus Size Size and Distance Illusions

  28. Holway and Boring’s Results 1. Normal viewing conditions; 2. Monocular viewing 3. View through a peep hole; 4. As 3 plus reflection reduction

  29. Discussion Question 38 • Give two theoretical explanations for the moon illusion. Size and Distance Illusions

  30. Objectives: Be able to • Discuss the misapplied constancy, eye movement, and incorrect comparison explanations of the Ponzo illusion. • Discuss the misapplied constancy, eye movement, and incorrect comparison explanations of the Mueller-Lyer illusion. • Discuss explanations of the moon illusion. Size and Distance Illusions

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